776 Proceedings of Royal Society of Edinburgh. [sess. 
Rhizostoma octopus, Linnaeus. 
Rhizostoma cuvieri , Gosse, 1356, p. 37, pi. i. 
Pilema octopus, Haeckel, 1880. 
In 1901, on 30th September, a large specimen was seen 
swimming at the surface in the tideway off the Laboratory. On 
31st October a perfect specimen was caught among the rocks on 
the coast of Little Cumbrae. The umbrella measured 30 cm. in 
diameter and 25 cm. in length. The arms projected 30 cm. 
beyond the margin of the umbrella. 
Rhizostoma pulmo is recorded in the “Fauna of the Clyde 
Area ” as being common. It is not stated who saw the specimens. 
Rhizostoma jpulmo is a Mediterranean species. 
University College, London, 
10^ April 1905. 
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Agassiz, A., 1865, “North American Acalephae,” Illus. Catal. 
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Allman, G. J., 1860, “On the Structure of Carduella cyathi- 
formisf Trans. Micro. Soc. London, vol. viii. pp. 125-128, 
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Allman, G. J., 1871-72, A Monograph on the Gymnoblastic or 
Tubularian Hydroids, Ray Soc., London. 
British Association, 1901, Fauna, Flora, and Geology of the 
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Browne, E. T., 1895, “Report on the Medusae of the Liverpool 
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